Solved: Troubleshooting Suggestions How To Compile Redhat Core
November 12, 2021
If you’ve noticed how to compile the Redhat core, this blog post might help.
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Problem
Although Red Hat does not offer support for a corresponding configurable kernel, customers, as users, want to rebuild the kernel (for example, to test a change or perform a local fix until the fix is published.users).
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When you recompile the kernel, each binary is much larger than Red Hat provides. How can you reduce the size of specific binaries to exactly the same size as the RPM of the kernel binary provided by Red Hat?
Environment
Red Hat Enterprise Linux Hat 4
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This report describes how to install the current Linux 2.4 kernel.in Redhat 7.1. In particular, it describes the easiest way to compileCore sources with default Redhat configuration.
Motivation
It can be quite difficult for the average visitor to a Linux website to set up an official configuration.Linux kernel company from www.kernel.orgwork with Redhat. For example, I once compiled a main kernel that didn’t haveworks with new sound card.The best way to avoid the headache is to get the kernel source configuration file.from RPM Redhat Find to use this config with the official kernelThe source is far from kernel.org.The instructions below describe how this can happen. I suggestInstructions for use in addition to your current regular documentation, noreplacement.
- Download our own sources
- Download the latest original stable kernel from the site. way downKernel.org.Do not try to build the same version you are already installing, unlessIf you know what you are doing, you also run the risk of messing up the kernel module.You will find out with which core you are already rotating
$ uname -r - Extract sources. The old selected files had to be unzipped to / usr / src, butIt’s probably easier these days to put together the source code from the comfort of your own home.The directory is logged in as a full normal user.
$ tar xzf linux-2.4.3.tar.gz - You mustThey must get their configuration from files that use RPMs as their kernel source. Unfortunately,this seems to indicate over 100MB of linked kernel source is installed for just one versionThe file is 30 KB in size. Please note that there are two different source RPMs, i.e.kernel-xxx.xxx.srpm and kernel-source.xxx.xxx.rpm. if you areOnce you have these files, you will probably need to uninstall the original RPM.Safe storage space. To really save you time and hassle, here are probably the ones thatConfiguration files for kernel 2.4.2 on deliverywith Redhat, the original speed is 7.1.
$ tar xzf configs.tar.gz
- Download the latest original stable kernel from the site. way downKernel.org.Do not try to build the same version you are already installing, unlessIf you know what you are doing, you also run the risk of messing up the kernel module.You will find out with which core you are already rotating
- Customize
- In the top directory of all kernels, run the source from kernel.org.
$ make sure it is correct - Copy the most commonly used configuration file for your system in.config todirectory at the top of the kernel source.
Configs $ cp / core-2.4.2-i586.config linux-2.4.3 / .config - Your config is often a file for an older kernel version and therefore should bebe restructured. Nizhthere will be practically no questions about the newSpecifications. In most cases, you can safely omit these new functions.unless they start to interest you specifically.
$ do oldconfig - Once built, your kernel and modules will have manyHardware and components you don’t need.You can disable some things to speed up compilationand save space. Or you can activate ads that are notwas disabled by default. Do it
Run $ xconfig - Make a backup copy of the .config file.
$ clubpenguin .config ~ / backup-kernel-config
- In the top directory of all kernels, run the source from kernel.org.
- Also compile kernel modules
- This part is simple. Do you have enough time to try and get a cup?Coffee …. Make
$ from$ bring bzImageCreate $ modules
- This part is simple. Do you have enough time to try and get a cup?Coffee …. Make
- Install your innovative core
- So far, you are hopefully logged in as a regular smoker. Now you’re leavingyou need to grow at the root.
$ su - Finally, copy the kernel to your desired destination. Don’t push yourworking core !!!
# Clubpenguin ~ user / linux / arch / i386 / boot / bzImage / boot/vmlinuz-2.4.3 - Install modules.
# make module_install - Edit /etc/lilo.conf so you want to start a new kernel. NoRemove lines from the working kernel until you disable itnew !!! In the next few examples, you will probably needChange this location of the root partition.
image = / boot / vmlinuz-2.4.3 label = linux-2.4.3 only reading root = / dev / hdc2 - Lilo of course
# / sbin / lilo - If you need a spare hard drive, you
$ do bzdisk
- So far, you are hopefully logged in as a regular smoker. Now you’re leavingyou need to grow at the root.
- Give it a try.
Clients can now restart their systems and stay up to date with the latest kernel events on some Lilo command line.If everything works, you can do “mrproper” in the source directory of the site, orErase it completely to create an open space. Erase the old core whether you are absolute or notmake sure you don’t ask for this and update /etc/lilo.conf when needed.
residence
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Step 1. Download the source code.Step 2: extract the source code.Step 3: Install the required packages.Step 4: configure the kernel.Step 5: build the kernel.Step 6. Update the bootloader (optional)Step 7: reboot and check your kernel version.
Download the latest kernel from kernel.org.Check the kernel.Unpack the new kernel archive.Copy your existing Linux kernel configuration file.Compile and build the Linux 5.6 kernel.Install Linux kernel and peripherals (drivers)Update your grub config.
Generate Grub2 Configuration – The next step is to change the source directory to / mnt / sysimage, usually with the chroot command. This makes your system the primary root environment.Check – check the file in / boot for a new kernel.Rename file systems.
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